Class 6 Geography Chapter 1 Important Question Answers - The Earth in the Solar System

Very Short Answer Type Questions

Q1: What is the shape of the Earth called?
Ans: Geoid

Q2: How often can we see the full moon?
Ans: Once in about a month's time

Q3: What is the ultimate source of heat and light for the solar system?
Ans: The Sun

Q4: Which planet is considered "Earth's twin"?
Ans: Venus

Q5: What is the Pole Star also known as?
Ans: North Star

Q6: What is the name given to objects in space that range in size from dust grains to small asteroids?
Ans: Meteoroids

Q7: What are the two phases of the moon mentioned in the text?
Ans: Poornima (Full moon) and Amavasya (New moon)

Q8: What is the family of the Sun called?
Ans: The solar system

Q9: What is the name of the constellation that includes the Saptarishi?
Ans: Ursa Major

Q10: What is the shape of the orbit of planets around the Sun?
Ans: Elliptical

Short Answer Type Questions

Q11: Describe the difference between Poornima and Amavasya.
Ans: Poornima is the night when the moon is fully visible, while Amavasya is the night when the moon is not visible at all.

Q12: Why is Venus considered Earth's twin, and which planet is closest to the Sun in our solar system?
Ans: Venus is considered Earth's twin because of its similar size and shape to Earth. The closest planet to the Sun in our solar system is Mercury.

Q13: Explain what a geoid is and why Earth is called a "blue planet."
Ans: A geoid is the shape of the Earth, slightly flattened at the poles. Earth is called a "blue planet" because about two-thirds of its surface is covered by water, giving it a blue appearance from outer space.

Q14: How does the Pole Star help in navigation, and what is its other name?
Ans: The Pole Star, also known as the North Star, remains in the same position in the sky and helps determine the north direction. It can be located with the help of the constellation Saptarishi.

Q15: What is the significance of asteroids in our solar system, and where are they typically found?
Ans: Asteroids are significant because they are remnants of a planet that exploded. They are typically found between the orbits of Mars and Jupiter in a region known as the asteroid belt.

Long Answer Type Questions

Q16: Explain the concept of constellations and give an example of one mentioned in the text.
Ans: Constellations are patterns formed by groups of stars in the night sky. One example mentioned in the text is Ursa Major, also known as the Big Bear. Constellations help in identifying and navigating through the night sky.

Q17: Describe the role of the Sun in the solar system and its distance from Earth.
Ans: The Sun is the central star of the solar system and provides heat and light to all the planets. It is about 150 million km away from Earth. Despite its tremendous heat, it doesn't feel too hot to us because of the distance.

Q18: Discuss the characteristics of the Earth that make it unique among the planets in our solar system.
Ans: Earth is unique because it has conditions favorable to support life. It has water, air with life-supporting gases like oxygen, and a moderate temperature range. These conditions are not found on any other planet in our solar system.

Q19: Explain the movement of the moon around the Earth and why only one side of the moon is visible from Earth.
Ans: The moon moves around the Earth in about 27 days, which is the same amount of time it takes for the moon to complete one spin. As a result, only one side of the moon is visible from Earth because it always keeps the same face towards us.

Q20: What are meteoroids, meteors, and meteorites, and how do they relate to "shooting stars"?
Ans: Meteoroids are small pieces of rocks in space. When they enter Earth's atmosphere and burn up due to friction with the air, they create a flash of light known as a meteor or "shooting star." If a meteoroid survives and reaches the Earth's surface, it is called a meteorite.